michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: var BUGNUMBER = 465199;
michael@0: var summary = "RegExp lastIndex property set should not coerce type to number";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var called = false;
michael@0: var o = { valueOf: function() { called = true; return 1; } };
michael@0: var r = /a/g;
michael@0: var desc, m;
michael@0: 
michael@0: assertEq(r.lastIndex, 0);
michael@0: 
michael@0: desc = Object.getOwnPropertyDescriptor(r, "lastIndex");
michael@0: assertEq(desc.enumerable, false);
michael@0: assertEq(desc.configurable, false);
michael@0: assertEq(desc.value, 0);
michael@0: assertEq(desc.writable, true);
michael@0: 
michael@0: r.lastIndex = o;
michael@0: 
michael@0: assertEq(r.lastIndex, o);
michael@0: 
michael@0: desc = Object.getOwnPropertyDescriptor(r, "lastIndex");
michael@0: assertEq(desc.enumerable, false);
michael@0: assertEq(desc.configurable, false);
michael@0: assertEq(desc.value, o);
michael@0: assertEq(desc.writable, true);
michael@0: 
michael@0: assertEq(called, false);
michael@0: assertEq(r.exec("aaaa").length, 1);
michael@0: assertEq(called, true);
michael@0: assertEq(r.lastIndex, 2);
michael@0: 
michael@0: desc = Object.getOwnPropertyDescriptor(r, "lastIndex");
michael@0: assertEq(desc.enumerable, false);
michael@0: assertEq(desc.configurable, false);
michael@0: assertEq(desc.value, 2);
michael@0: assertEq(desc.writable, true);
michael@0: 
michael@0: 
michael@0: r.lastIndex = -0.2;
michael@0: assertEq(r.lastIndex, -0.2);
michael@0: 
michael@0: m = r.exec("aaaa");
michael@0: assertEq(Array.isArray(m), true);
michael@0: assertEq(m.length, 1);
michael@0: assertEq(m[0], "a");
michael@0: assertEq(r.lastIndex, 1);
michael@0: 
michael@0: m = r.exec("aaaa");
michael@0: assertEq(Array.isArray(m), true);
michael@0: assertEq(m.length, 1);
michael@0: assertEq(m[0], "a");
michael@0: assertEq(r.lastIndex, 2);
michael@0: 
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("All tests passed!");